We can't KNOW it's GDT but it sure feels like him and its fun either way. There are other folks named Guillermo so perhaps one of them has a sense of humor.

So, I think the time portion from Bilbo's riddles is the part we are told at the opening that we are expected to know, as stated before.

I am a little stuck on the part with the princes that die without winces. The only dictionary definition I can find for winces is some variation of flinching or drawing back in pain or fear. I like what you have done with the numbers, but what to make of these winces? Anybody? Buhler? Buhler? Anybody? I have no choice but to believe in free will.